CVE-2019-20633

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.
Overview
  • CVE ID
  • CVE-2019-20633
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-25T17:15:14
  • Last Modified Date
  • 2020-11-05T14:54:57
Weakness Enumerations
CWE URL
CWE-415 http://cwe.mitre.org/data/definitions/415.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:* 1 OR 2.7.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://savannah.gnu.org/bugs/index.php?56683 Exploit Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-20633
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20633
History
Created Old Value New Value Data Type Notes
2022-05-10 16:21:00 Added to TrackCVE
2022-12-04 13:31:25 2020-03-25T17:15Z 2020-03-25T17:15:14 CVE Published Date updated
2022-12-04 13:31:25 2020-11-05T14:54:57 CVE Modified Date updated
2022-12-04 13:31:25 Analyzed Vulnerability Status updated